| /*------------------------------------------------------------------------ |
| * lan91c96.h |
| * |
| * (C) Copyright 2002 |
| * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| * Rolf Offermanns <rof@sysgo.de> |
| * Copyright (C) 2001 Standard Microsystems Corporation (SMSC) |
| * Developed by Simple Network Magic Corporation (SNMC) |
| * Copyright (C) 1996 by Erik Stahlman (ES) |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * This file contains register information and access macros for |
| * the LAN91C96 single chip ethernet controller. It is a modified |
| * version of the smc9111.h file. |
| * |
| * Information contained in this file was obtained from the LAN91C96 |
| * manual from SMC. To get a copy, if you really want one, you can find |
| * information under www.smsc.com. |
| * |
| * Authors |
| * Erik Stahlman ( erik@vt.edu ) |
| * Daris A Nevil ( dnevil@snmc.com ) |
| * |
| * History |
| * 04/30/03 Mathijs Haarman Modified smc91111.h (u-boot version) |
| * for lan91c96 |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef _LAN91C96_H_ |
| #define _LAN91C96_H_ |
| |
| #include <asm/types.h> |
| #include <asm/io.h> |
| #include <config.h> |
| |
| /* |
| * This function may be called by the board specific initialisation code |
| * in order to override the default mac address. |
| */ |
| |
| void smc_set_mac_addr(const char *addr); |
| int eth_hw_init(void); |
| |
| |
| /* I want some simple types */ |
| |
| typedef unsigned char byte; |
| typedef unsigned short word; |
| typedef unsigned long int dword; |
| |
| /* |
| * DEBUGGING LEVELS |
| * |
| * 0 for normal operation |
| * 1 for slightly more details |
| * >2 for various levels of increasingly useless information |
| * 2 for interrupt tracking, status flags |
| * 3 for packet info |
| * 4 for complete packet dumps |
| */ |
| /*#define SMC_DEBUG 0 */ |
| |
| /* Because of bank switching, the LAN91xxx uses only 16 I/O ports */ |
| |
| #define SMC_IO_EXTENT 16 |
| |
| #ifdef CONFIG_PXA250 |
| |
| #define SMC_inl(r) (*((volatile dword *)(SMC_BASE_ADDRESS+( r * 4 )))) |
| #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+( r * 4 )))) |
| #define SMC_inb(p) ({ \ |
| unsigned int __p = (unsigned int)(SMC_BASE_ADDRESS + (p * 4)); \ |
| unsigned int __v = *(volatile unsigned short *)((__p) & ~1); \ |
| if (__p & 1) __v >>= 8; \ |
| else __v &= 0xff; \ |
| __v; }) |
| |
| #define SMC_outl(d,r) (*((volatile dword *)(SMC_BASE_ADDRESS+(r * 4))) = d) |
| #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r * 4))) = d) |
| #define SMC_outb(d,r) ({ word __d = (byte)(d); \ |
| word __w = SMC_inw((r)&~1); \ |
| __w &= ((r)&1) ? 0x00FF : 0xFF00; \ |
| __w |= ((r)&1) ? __d<<8 : __d; \ |
| SMC_outw(__w,(r)&~1); \ |
| }) |
| |
| #define SMC_outsl(r,b,l) ({ int __i; \ |
| dword *__b2; \ |
| __b2 = (dword *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| SMC_outl( *(__b2 + __i), r ); \ |
| } \ |
| }) |
| |
| #define SMC_outsw(r,b,l) ({ int __i; \ |
| word *__b2; \ |
| __b2 = (word *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| SMC_outw( *(__b2 + __i), r ); \ |
| } \ |
| }) |
| |
| #define SMC_insl(r,b,l) ({ int __i ; \ |
| dword *__b2; \ |
| __b2 = (dword *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| *(__b2 + __i) = SMC_inl(r); \ |
| SMC_inl(0); \ |
| }; \ |
| }) |
| |
| #define SMC_insw(r,b,l) ({ int __i ; \ |
| word *__b2; \ |
| __b2 = (word *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| *(__b2 + __i) = SMC_inw(r); \ |
| SMC_inw(0); \ |
| }; \ |
| }) |
| |
| #define SMC_insb(r,b,l) ({ int __i ; \ |
| byte *__b2; \ |
| __b2 = (byte *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| *(__b2 + __i) = SMC_inb(r); \ |
| SMC_inb(0); \ |
| }; \ |
| }) |
| |
| #else /* if not CONFIG_PXA250 */ |
| |
| /* |
| * We have only 16 Bit PCMCIA access on Socket 0 |
| */ |
| |
| #define SMC_inw(r) (*((volatile word *)(SMC_BASE_ADDRESS+(r)))) |
| #define SMC_inb(r) (((r)&1) ? SMC_inw((r)&~1)>>8 : SMC_inw(r)&0xFF) |
| |
| #define SMC_outw(d,r) (*((volatile word *)(SMC_BASE_ADDRESS+(r))) = d) |
| #define SMC_outb(d,r) ({ word __d = (byte)(d); \ |
| word __w = SMC_inw((r)&~1); \ |
| __w &= ((r)&1) ? 0x00FF : 0xFF00; \ |
| __w |= ((r)&1) ? __d<<8 : __d; \ |
| SMC_outw(__w,(r)&~1); \ |
| }) |
| #if 0 |
| #define SMC_outsw(r,b,l) outsw(SMC_BASE_ADDRESS+(r), (b), (l)) |
| #else |
| #define SMC_outsw(r,b,l) ({ int __i; \ |
| word *__b2; \ |
| __b2 = (word *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| SMC_outw( *(__b2 + __i), r); \ |
| } \ |
| }) |
| #endif |
| |
| #if 0 |
| #define SMC_insw(r,b,l) insw(SMC_BASE_ADDRESS+(r), (b), (l)) |
| #else |
| #define SMC_insw(r,b,l) ({ int __i ; \ |
| word *__b2; \ |
| __b2 = (word *) b; \ |
| for (__i = 0; __i < l; __i++) { \ |
| *(__b2 + __i) = SMC_inw(r); \ |
| SMC_inw(0); \ |
| }; \ |
| }) |
| #endif |
| |
| #endif |
| |
| /* |
| **************************************************************************** |
| * Bank Select Field |
| **************************************************************************** |
| */ |
| #define LAN91C96_BANK_SELECT 14 /* Bank Select Register */ |
| #define LAN91C96_BANKSELECT (0x3UC << 0) |
| #define BANK0 0x00 |
| #define BANK1 0x01 |
| #define BANK2 0x02 |
| #define BANK3 0x03 |
| #define BANK4 0x04 |
| |
| /* |
| **************************************************************************** |
| * EEPROM Addresses. |
| **************************************************************************** |
| */ |
| #define EEPROM_MAC_OFFSET_1 0x6020 |
| #define EEPROM_MAC_OFFSET_2 0x6021 |
| #define EEPROM_MAC_OFFSET_3 0x6022 |
| |
| /* |
| **************************************************************************** |
| * Bank 0 Register Map in I/O Space |
| **************************************************************************** |
| */ |
| #define LAN91C96_TCR 0 /* Transmit Control Register */ |
| #define LAN91C96_EPH_STATUS 2 /* EPH Status Register */ |
| #define LAN91C96_RCR 4 /* Receive Control Register */ |
| #define LAN91C96_COUNTER 6 /* Counter Register */ |
| #define LAN91C96_MIR 8 /* Memory Information Register */ |
| #define LAN91C96_MCR 10 /* Memory Configuration Register */ |
| |
| /* |
| **************************************************************************** |
| * Transmit Control Register - Bank 0 - Offset 0 |
| **************************************************************************** |
| */ |
| #define LAN91C96_TCR_TXENA (0x1U << 0) |
| #define LAN91C96_TCR_LOOP (0x1U << 1) |
| #define LAN91C96_TCR_FORCOL (0x1U << 2) |
| #define LAN91C96_TCR_TXP_EN (0x1U << 3) |
| #define LAN91C96_TCR_PAD_EN (0x1U << 7) |
| #define LAN91C96_TCR_NOCRC (0x1U << 8) |
| #define LAN91C96_TCR_MON_CSN (0x1U << 10) |
| #define LAN91C96_TCR_FDUPLX (0x1U << 11) |
| #define LAN91C96_TCR_STP_SQET (0x1U << 12) |
| #define LAN91C96_TCR_EPH_LOOP (0x1U << 13) |
| #define LAN91C96_TCR_ETEN_TYPE (0x1U << 14) |
| #define LAN91C96_TCR_FDSE (0x1U << 15) |
| |
| /* |
| **************************************************************************** |
| * EPH Status Register - Bank 0 - Offset 2 |
| **************************************************************************** |
| */ |
| #define LAN91C96_EPHSR_TX_SUC (0x1U << 0) |
| #define LAN91C96_EPHSR_SNGL_COL (0x1U << 1) |
| #define LAN91C96_EPHSR_MUL_COL (0x1U << 2) |
| #define LAN91C96_EPHSR_LTX_MULT (0x1U << 3) |
| #define LAN91C96_EPHSR_16COL (0x1U << 4) |
| #define LAN91C96_EPHSR_SQET (0x1U << 5) |
| #define LAN91C96_EPHSR_LTX_BRD (0x1U << 6) |
| #define LAN91C96_EPHSR_TX_DEFR (0x1U << 7) |
| #define LAN91C96_EPHSR_WAKEUP (0x1U << 8) |
| #define LAN91C96_EPHSR_LATCOL (0x1U << 9) |
| #define LAN91C96_EPHSR_LOST_CARR (0x1U << 10) |
| #define LAN91C96_EPHSR_EXC_DEF (0x1U << 11) |
| #define LAN91C96_EPHSR_CTR_ROL (0x1U << 12) |
| |
| #define LAN91C96_EPHSR_LINK_OK (0x1U << 14) |
| #define LAN91C96_EPHSR_TX_UNRN (0x1U << 15) |
| |
| #define LAN91C96_EPHSR_ERRORS (LAN91C96_EPHSR_SNGL_COL | \ |
| LAN91C96_EPHSR_MUL_COL | \ |
| LAN91C96_EPHSR_16COL | \ |
| LAN91C96_EPHSR_SQET | \ |
| LAN91C96_EPHSR_TX_DEFR | \ |
| LAN91C96_EPHSR_LATCOL | \ |
| LAN91C96_EPHSR_LOST_CARR | \ |
| LAN91C96_EPHSR_EXC_DEF | \ |
| LAN91C96_EPHSR_LINK_OK | \ |
| LAN91C96_EPHSR_TX_UNRN) |
| |
| /* |
| **************************************************************************** |
| * Receive Control Register - Bank 0 - Offset 4 |
| **************************************************************************** |
| */ |
| #define LAN91C96_RCR_RX_ABORT (0x1U << 0) |
| #define LAN91C96_RCR_PRMS (0x1U << 1) |
| #define LAN91C96_RCR_ALMUL (0x1U << 2) |
| #define LAN91C96_RCR_RXEN (0x1U << 8) |
| #define LAN91C96_RCR_STRIP_CRC (0x1U << 9) |
| #define LAN91C96_RCR_FILT_CAR (0x1U << 14) |
| #define LAN91C96_RCR_SOFT_RST (0x1U << 15) |
| |
| /* |
| **************************************************************************** |
| * Counter Register - Bank 0 - Offset 6 |
| **************************************************************************** |
| */ |
| #define LAN91C96_ECR_SNGL_COL (0xFU << 0) |
| #define LAN91C96_ECR_MULT_COL (0xFU << 5) |
| #define LAN91C96_ECR_DEF_TX (0xFU << 8) |
| #define LAN91C96_ECR_EXC_DEF_TX (0xFU << 12) |
| |
| /* |
| **************************************************************************** |
| * Memory Information Register - Bank 0 - OFfset 8 |
| **************************************************************************** |
| */ |
| #define LAN91C96_MIR_SIZE (0x18 << 0) /* 6144 bytes */ |
| |
| /* |
| **************************************************************************** |
| * Memory Configuration Register - Bank 0 - Offset 10 |
| **************************************************************************** |
| */ |
| #define LAN91C96_MCR_MEM_RES (0xFFU << 0) |
| #define LAN91C96_MCR_MEM_MULT (0x3U << 9) |
| #define LAN91C96_MCR_HIGH_ID (0x3U << 12) |
| |
| #define LAN91C96_MCR_TRANSMIT_PAGES 0x6 |
| |
| /* |
| **************************************************************************** |
| * Bank 1 Register Map in I/O Space |
| **************************************************************************** |
| */ |
| #define LAN91C96_CONFIG 0 /* Configuration Register */ |
| #define LAN91C96_BASE 2 /* Base Address Register */ |
| #define LAN91C96_IA0 4 /* Individual Address Register - 0 */ |
| #define LAN91C96_IA1 5 /* Individual Address Register - 1 */ |
| #define LAN91C96_IA2 6 /* Individual Address Register - 2 */ |
| #define LAN91C96_IA3 7 /* Individual Address Register - 3 */ |
| #define LAN91C96_IA4 8 /* Individual Address Register - 4 */ |
| #define LAN91C96_IA5 9 /* Individual Address Register - 5 */ |
| #define LAN91C96_GEN_PURPOSE 10 /* General Address Registers */ |
| #define LAN91C96_CONTROL 12 /* Control Register */ |
| |
| /* |
| **************************************************************************** |
| * Configuration Register - Bank 1 - Offset 0 |
| **************************************************************************** |
| */ |
| #define LAN91C96_CR_INT_SEL0 (0x1U << 1) |
| #define LAN91C96_CR_INT_SEL1 (0x1U << 2) |
| #define LAN91C96_CR_RES (0x3U << 3) |
| #define LAN91C96_CR_DIS_LINK (0x1U << 6) |
| #define LAN91C96_CR_16BIT (0x1U << 7) |
| #define LAN91C96_CR_AUI_SELECT (0x1U << 8) |
| #define LAN91C96_CR_SET_SQLCH (0x1U << 9) |
| #define LAN91C96_CR_FULL_STEP (0x1U << 10) |
| #define LAN91C96_CR_NO_WAIT (0x1U << 12) |
| |
| /* |
| **************************************************************************** |
| * Base Address Register - Bank 1 - Offset 2 |
| **************************************************************************** |
| */ |
| #define LAN91C96_BAR_RA_BITS (0x27U << 0) |
| #define LAN91C96_BAR_ROM_SIZE (0x1U << 6) |
| #define LAN91C96_BAR_A_BITS (0xFFU << 8) |
| |
| /* |
| **************************************************************************** |
| * Control Register - Bank 1 - Offset 12 |
| **************************************************************************** |
| */ |
| #define LAN91C96_CTR_STORE (0x1U << 0) |
| #define LAN91C96_CTR_RELOAD (0x1U << 1) |
| #define LAN91C96_CTR_EEPROM (0x1U << 2) |
| #define LAN91C96_CTR_TE_ENABLE (0x1U << 5) |
| #define LAN91C96_CTR_CR_ENABLE (0x1U << 6) |
| #define LAN91C96_CTR_LE_ENABLE (0x1U << 7) |
| #define LAN91C96_CTR_BIT_8 (0x1U << 8) |
| #define LAN91C96_CTR_AUTO_RELEASE (0x1U << 11) |
| #define LAN91C96_CTR_WAKEUP_EN (0x1U << 12) |
| #define LAN91C96_CTR_PWRDN (0x1U << 13) |
| #define LAN91C96_CTR_RCV_BAD (0x1U << 14) |
| |
| /* |
| **************************************************************************** |
| * Bank 2 Register Map in I/O Space |
| **************************************************************************** |
| */ |
| #define LAN91C96_MMU 0 /* MMU Command Register */ |
| #define LAN91C96_AUTO_TX_START 1 /* Auto Tx Start Register */ |
| #define LAN91C96_PNR 2 /* Packet Number Register */ |
| #define LAN91C96_ARR 3 /* Allocation Result Register */ |
| #define LAN91C96_FIFO 4 /* FIFO Ports Register */ |
| #define LAN91C96_POINTER 6 /* Pointer Register */ |
| #define LAN91C96_DATA_HIGH 8 /* Data High Register */ |
| #define LAN91C96_DATA_LOW 10 /* Data Low Register */ |
| #define LAN91C96_INT_STATS 12 /* Interrupt Status Register - RO */ |
| #define LAN91C96_INT_ACK 12 /* Interrupt Acknowledge Register -WO */ |
| #define LAN91C96_INT_MASK 13 /* Interrupt Mask Register */ |
| |
| /* |
| **************************************************************************** |
| * MMU Command Register - Bank 2 - Offset 0 |
| **************************************************************************** |
| */ |
| #define LAN91C96_MMUCR_NO_BUSY (0x1U << 0) |
| #define LAN91C96_MMUCR_N1 (0x1U << 1) |
| #define LAN91C96_MMUCR_N2 (0x1U << 2) |
| #define LAN91C96_MMUCR_COMMAND (0xFU << 4) |
| #define LAN91C96_MMUCR_ALLOC_TX (0x2U << 4) /* WXYZ = 0010 */ |
| #define LAN91C96_MMUCR_RESET_MMU (0x4U << 4) /* WXYZ = 0100 */ |
| #define LAN91C96_MMUCR_REMOVE_RX (0x6U << 4) /* WXYZ = 0110 */ |
| #define LAN91C96_MMUCR_REMOVE_TX (0x7U << 4) /* WXYZ = 0111 */ |
| #define LAN91C96_MMUCR_RELEASE_RX (0x8U << 4) /* WXYZ = 1000 */ |
| #define LAN91C96_MMUCR_RELEASE_TX (0xAU << 4) /* WXYZ = 1010 */ |
| #define LAN91C96_MMUCR_ENQUEUE (0xCU << 4) /* WXYZ = 1100 */ |
| #define LAN91C96_MMUCR_RESET_TX (0xEU << 4) /* WXYZ = 1110 */ |
| |
| /* |
| **************************************************************************** |
| * Auto Tx Start Register - Bank 2 - Offset 1 |
| **************************************************************************** |
| */ |
| #define LAN91C96_AUTOTX (0xFFU << 0) |
| |
| /* |
| **************************************************************************** |
| * Packet Number Register - Bank 2 - Offset 2 |
| **************************************************************************** |
| */ |
| #define LAN91C96_PNR_TX (0x1FU << 0) |
| |
| /* |
| **************************************************************************** |
| * Allocation Result Register - Bank 2 - Offset 3 |
| **************************************************************************** |
| */ |
| #define LAN91C96_ARR_ALLOC_PN (0x7FU << 0) |
| #define LAN91C96_ARR_FAILED (0x1U << 7) |
| |
| /* |
| **************************************************************************** |
| * FIFO Ports Register - Bank 2 - Offset 4 |
| **************************************************************************** |
| */ |
| #define LAN91C96_FIFO_TX_DONE_PN (0x1FU << 0) |
| #define LAN91C96_FIFO_TEMPTY (0x1U << 7) |
| #define LAN91C96_FIFO_RX_DONE_PN (0x1FU << 8) |
| #define LAN91C96_FIFO_RXEMPTY (0x1U << 15) |
| |
| /* |
| **************************************************************************** |
| * Pointer Register - Bank 2 - Offset 6 |
| **************************************************************************** |
| */ |
| #define LAN91C96_PTR_LOW (0xFFU << 0) |
| #define LAN91C96_PTR_HIGH (0x7U << 8) |
| #define LAN91C96_PTR_AUTO_TX (0x1U << 11) |
| #define LAN91C96_PTR_ETEN (0x1U << 12) |
| #define LAN91C96_PTR_READ (0x1U << 13) |
| #define LAN91C96_PTR_AUTO_INCR (0x1U << 14) |
| #define LAN91C96_PTR_RCV (0x1U << 15) |
| |
| #define LAN91C96_PTR_RX_FRAME (LAN91C96_PTR_RCV | \ |
| LAN91C96_PTR_AUTO_INCR | \ |
| LAN91C96_PTR_READ) |
| |
| /* |
| **************************************************************************** |
| * Data Register - Bank 2 - Offset 8 |
| **************************************************************************** |
| */ |
| #define LAN91C96_CONTROL_CRC (0x1U << 4) /* CRC bit */ |
| #define LAN91C96_CONTROL_ODD (0x1U << 5) /* ODD bit */ |
| |
| /* |
| **************************************************************************** |
| * Interrupt Status Register - Bank 2 - Offset 12 |
| **************************************************************************** |
| */ |
| #define LAN91C96_IST_RCV_INT (0x1U << 0) |
| #define LAN91C96_IST_TX_INT (0x1U << 1) |
| #define LAN91C96_IST_TX_EMPTY_INT (0x1U << 2) |
| #define LAN91C96_IST_ALLOC_INT (0x1U << 3) |
| #define LAN91C96_IST_RX_OVRN_INT (0x1U << 4) |
| #define LAN91C96_IST_EPH_INT (0x1U << 5) |
| #define LAN91C96_IST_ERCV_INT (0x1U << 6) |
| #define LAN91C96_IST_RX_IDLE_INT (0x1U << 7) |
| |
| /* |
| **************************************************************************** |
| * Interrupt Acknowledge Register - Bank 2 - Offset 12 |
| **************************************************************************** |
| */ |
| #define LAN91C96_ACK_TX_INT (0x1U << 1) |
| #define LAN91C96_ACK_TX_EMPTY_INT (0x1U << 2) |
| #define LAN91C96_ACK_RX_OVRN_INT (0x1U << 4) |
| #define LAN91C96_ACK_ERCV_INT (0x1U << 6) |
| |
| /* |
| **************************************************************************** |
| * Interrupt Mask Register - Bank 2 - Offset 13 |
| **************************************************************************** |
| */ |
| #define LAN91C96_MSK_RCV_INT (0x1U << 0) |
| #define LAN91C96_MSK_TX_INT (0x1U << 1) |
| #define LAN91C96_MSK_TX_EMPTY_INT (0x1U << 2) |
| #define LAN91C96_MSK_ALLOC_INT (0x1U << 3) |
| #define LAN91C96_MSK_RX_OVRN_INT (0x1U << 4) |
| #define LAN91C96_MSK_EPH_INT (0x1U << 5) |
| #define LAN91C96_MSK_ERCV_INT (0x1U << 6) |
| #define LAN91C96_MSK_TX_IDLE_INT (0x1U << 7) |
| |
| /* |
| **************************************************************************** |
| * Bank 3 Register Map in I/O Space |
| ************************************************************************** |
| */ |
| #define LAN91C96_MGMT_MDO (0x1U << 0) |
| #define LAN91C96_MGMT_MDI (0x1U << 1) |
| #define LAN91C96_MGMT_MCLK (0x1U << 2) |
| #define LAN91C96_MGMT_MDOE (0x1U << 3) |
| #define LAN91C96_MGMT_LOW_ID (0x3U << 4) |
| #define LAN91C96_MGMT_IOS0 (0x1U << 8) |
| #define LAN91C96_MGMT_IOS1 (0x1U << 9) |
| #define LAN91C96_MGMT_IOS2 (0x1U << 10) |
| #define LAN91C96_MGMT_nXNDEC (0x1U << 11) |
| #define LAN91C96_MGMT_HIGH_ID (0x3U << 12) |
| |
| /* |
| **************************************************************************** |
| * Revision Register - Bank 3 - Offset 10 |
| **************************************************************************** |
| */ |
| #define LAN91C96_REV_REVID (0xFU << 0) |
| #define LAN91C96_REV_CHIPID (0xFU << 4) |
| |
| /* |
| **************************************************************************** |
| * Early RCV Register - Bank 3 - Offset 12 |
| **************************************************************************** |
| */ |
| #define LAN91C96_ERCV_THRESHOLD (0x1FU << 0) |
| #define LAN91C96_ERCV_RCV_DISCRD (0x1U << 7) |
| |
| /* |
| **************************************************************************** |
| * PCMCIA Configuration Registers |
| **************************************************************************** |
| */ |
| #define LAN91C96_ECOR 0x8000 /* Ethernet Configuration Register */ |
| #define LAN91C96_ECSR 0x8002 /* Ethernet Configuration and Status */ |
| |
| /* |
| **************************************************************************** |
| * PCMCIA Ethernet Configuration Option Register (ECOR) |
| **************************************************************************** |
| */ |
| #define LAN91C96_ECOR_ENABLE (0x1U << 0) |
| #define LAN91C96_ECOR_WR_ATTRIB (0x1U << 2) |
| #define LAN91C96_ECOR_LEVEL_REQ (0x1U << 6) |
| #define LAN91C96_ECOR_SRESET (0x1U << 7) |
| |
| /* |
| **************************************************************************** |
| * PCMCIA Ethernet Configuration and Status Register (ECSR) |
| **************************************************************************** |
| */ |
| #define LAN91C96_ECSR_INTR (0x1U << 1) |
| #define LAN91C96_ECSR_PWRDWN (0x1U << 2) |
| #define LAN91C96_ECSR_IOIS8 (0x1U << 5) |
| |
| /* |
| **************************************************************************** |
| * Receive Frame Status Word - See page 38 of the LAN91C96 specification. |
| **************************************************************************** |
| */ |
| #define LAN91C96_TOO_SHORT (0x1U << 10) |
| #define LAN91C96_TOO_LONG (0x1U << 11) |
| #define LAN91C96_ODD_FRM (0x1U << 12) |
| #define LAN91C96_BAD_CRC (0x1U << 13) |
| #define LAN91C96_BROD_CAST (0x1U << 14) |
| #define LAN91C96_ALGN_ERR (0x1U << 15) |
| |
| #define FRAME_FILTER (LAN91C96_TOO_SHORT | LAN91C96_TOO_LONG | LAN91C96_BAD_CRC | LAN91C96_ALGN_ERR) |
| |
| /* |
| **************************************************************************** |
| * Default MAC Address |
| **************************************************************************** |
| */ |
| #define MAC_DEF_HI 0x0800 |
| #define MAC_DEF_MED 0x3333 |
| #define MAC_DEF_LO 0x0100 |
| |
| /* |
| **************************************************************************** |
| * Default I/O Signature - 0x33 |
| **************************************************************************** |
| */ |
| #define LAN91C96_LOW_SIGNATURE (0x33U << 0) |
| #define LAN91C96_HIGH_SIGNATURE (0x33U << 8) |
| #define LAN91C96_SIGNATURE (LAN91C96_HIGH_SIGNATURE | LAN91C96_LOW_SIGNATURE) |
| |
| #define LAN91C96_MAX_PAGES 6 /* Maximum number of 256 pages. */ |
| #define ETHERNET_MAX_LENGTH 1514 |
| |
| |
| /*------------------------------------------------------------------------- |
| * I define some macros to make it easier to do somewhat common |
| * or slightly complicated, repeated tasks. |
| *------------------------------------------------------------------------- |
| */ |
| |
| /* select a register bank, 0 to 3 */ |
| |
| #define SMC_SELECT_BANK(x) { SMC_outw( x, LAN91C96_BANK_SELECT ); } |
| |
| /* this enables an interrupt in the interrupt mask register */ |
| #define SMC_ENABLE_INT(x) {\ |
| unsigned char mask;\ |
| SMC_SELECT_BANK(2);\ |
| mask = SMC_inb( LAN91C96_INT_MASK );\ |
| mask |= (x);\ |
| SMC_outb( mask, LAN91C96_INT_MASK ); \ |
| } |
| |
| /* this disables an interrupt from the interrupt mask register */ |
| |
| #define SMC_DISABLE_INT(x) {\ |
| unsigned char mask;\ |
| SMC_SELECT_BANK(2);\ |
| mask = SMC_inb( LAN91C96_INT_MASK );\ |
| mask &= ~(x);\ |
| SMC_outb( mask, LAN91C96_INT_MASK ); \ |
| } |
| |
| /*---------------------------------------------------------------------- |
| * Define the interrupts that I want to receive from the card |
| * |
| * I want: |
| * LAN91C96_IST_EPH_INT, for nasty errors |
| * LAN91C96_IST_RCV_INT, for happy received packets |
| * LAN91C96_IST_RX_OVRN_INT, because I have to kick the receiver |
| *------------------------------------------------------------------------- |
| */ |
| #define SMC_INTERRUPT_MASK (LAN91C96_IST_EPH_INT | LAN91C96_IST_RX_OVRN_INT | LAN91C96_IST_RCV_INT) |
| |
| #endif /* _LAN91C96_H_ */ |